La Crosse Technology S74870 User manual

SET UP GUIDE

MODEL: S74870

Curved Digital Atomic Wall Clock

with Moon Phase

1. Insert 2-AA batteries into your Outdoor Sensor.

2. Insert 3-AA batteries Into your Atomic Clock.

3. Enter the Settings Menu to adjust your time and date.

4. Once the sensor is reading to your clock, place the senor outside in a

shaded location. View our sensor mounting video here:

bit.ly/th_sensor_mounting

• The clock will search for the Atomic Time Signal at power up and at UTC

7:00, 8:00, 9:00, 10:00, and 11:00.

• The Atomic Time Signal Icon will ﬂash while searching and be solid

when it has connected.

• From the normal time display, press the SEARCH button to manually start

or stop a search for the WWVB time signal. For information about WWVB

visit: bit.ly/AtomicTime 2

Atomic Clock

S74870

Outdoor Sensor

TX141-Bv4

POWER UP

ATOMIC TIME

1. Hold the SET button to enter the Settings Menu.

2. Use the +/- buttons to adjust values.

3. Press SET to conﬁrm values.

4. Press the SNOOZE button at any time to save and exit.

Settings Menu Order:

• Beep ON/OFF

• Atomic ON/OFF

• DST AUTOMATIC/ DST ALWAYS OFF / DST ALWAYS ON

(Change Spring/Fall) (Standard Time all year) (DST all year)

• Time Zone

• Hour

• Minutes

• Year

• Month

• Date

• Temperature Fahrenheit/Celsius

Notes:

• If Atomic OFF is selected, menu will skip DST and Time Zone settings and

move straight to the Hour setting.

• Weekday sets automatically when Year, Month and Date are set.

TIME ZONE

ATLANTIC

EASTERN

CENTRAL

MOUNTAIN

PACIFIC

ALASKA

HAWAII

SETTINGS MENU

Press the MOON button to switch between Calendar or Moon Phase.

Your clock will stay on the selection.

• The moon phase is based on

the Lunar Calendar and the year,

month, and date settings.

• Due to character limitations on

the clock; Large and Small Waxing

and Waning Phases will not state

Large or Small.

New Moon

NEW MOON

Small Waxing

Crescent

WAXING CRES

First Quarter

FIRST QTR

Small Waxing

Gibbous

WAXING GIBB

Large Waxing

Gibbous

WAXING GIBB

Full Moon

FULL MOON

Large Waning

Gibbous

WANING GIBB

Small Waning

Gibbous

WANING GIBB

Last Quarter

LAST QTR

Large Waning

Crescent

WANING CRES

Small Waning

Crescent

WANING CRES

Large Waxing

Crescent

WAXING CRES

Phase / Clock Reads Phase / Clock Reads Phase / Clock Reads

CUSTOM DISPLAY

MOON PHASE

Set Alarm:

1. Hold the ALARM button to enter Alarm Settings.

2. Use the +/- buttons to adjust values.

3. Press the ALARM button to confirm and move to next item.

Silence a sounding alarm: Press any button except SNOOZE to silence the

alarm for 24 hours.

Activate/Deactivate Alarm:

• Press the ALARM button to activate or deactivate the alarm.

• The Alarm Icon will show when alarm is active.

Snooze:

• When the alarm sounds, press the SNOOZE button to silence

the alarm for 10 minutes. Zz will show.

Note: The alarm will sound with increasing frequency for two minutes,

then shut off automatically if not silenced.

TIME ALARM

View: Press the + button to view Outdoor, then Indoor Temperature HI and

LO Records with time and date stamps.

Reset: While viewing individual records, hold the - button to reset to current

temperatures.

Both the Indoor and Outdoor temperature have Trend Arrows to indicate

temperature changes (2°F / 1°C) over the past one hour period.

Temperature has risen over the past hour.

Temperature has been steady over the past hour.

Temperature has fallen over the past hour.

HI/LO TEMPERATURE RECORDS

TEMPERATURE TREND ARROWS

If you are seeing NO or dashes for your outdoor readings, please try the

following steps:

1. Hold the SEARCH button to search for your outdoor sensor. The

Reception Indicator will begin to animate.

2. If after 3 minutes the sensor still isn’t connected, bring the sensor inside

next to the display and remove power from both the sensor and clock.

3. Press any button on the clock 20 times and leave the parts sit for a few

moments with the power o.

4. Install a new set of alkaline batteries into the sensor, then into your clock.

For additional help visit: bit.ly/basic_restart

5. If your outdoor data is still not appearing after these steps, please

contact our support sta via the links below.

If you require additional support, get in touch with our friendly customer

support team based in La Crosse, WI. Our knowledgable customer support

team is available: Mon-Fri 8am-6pm CST

Phone: 1.608.782.1610

Email: bit.ly/contact_techsupport

Self Help: bit.ly/s74870_support

SEARCH FOR OUTDOOR SENSOR

WE’RE HERE TO HELP

Follow La Crosse Technology on YouTube,

Twitter, Facebook and Instgram.

Ask questions, watch setup videos, and

provide feedback on our social media outlets.

By the Time, replace clock batteries.

By the Outdoor Temperature, replace

sensor batteries.

Atomic Clock (S74870)

Temperature Range:

32°F to 122°F (0°C to 50°C)

Power Requirements:

3-AA, IEC, LR6 batteries (not included)

Dimensions:

12.19” W x 1.59” D x 11.80” H

(30.96 W x 4.04 D x 29.98 H cm)

Outdoor Sensor (TX141-Bv4)

Temperature Range:

-40°F to 140°F (-40°C to 60°C)

Transmission Range:

Over 330 ft. open air

(100 meters) RF 433MHz

Update Interval:

About every 51 seconds

Power:

2-AA, IEC, LR6 batteries (not included)

Battery Life:

Over 12 months

Dimensions:

1.57” L x 0.79” W x 5.12” H

(4.0cm L x 2.0cm W x 13.0 H cm)

Designed in La Crosse, Wisconsin •Made in China •Printed in China •DC 021722

La Crosse Technology, Ltd. provides a 1-year

limited time warranty (from date of purchase)

on this product relating to manufacturing

defects in materials & workmanship.

La Crosse Technology, Ltd,

2830 S. 26th St.

La Crosse, WI 54601

For Full Warranty Details, Visit:

www.lacrossetechnology.com/pages/warranty

STAY IN TOUCH SPECIFICATIONS

LOW BATTERY INDICATOR

WARRANTY

This equipment has been tested and found to comply with

the limits for a Class B digital device, pursuant to part 15

of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and

can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful

interference to radio communications. However, there is

no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference

to radio or television reception, which can be determined by

turning the equipment o and on, the user is encouraged to

try to correct the interference by one or more of the following

measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and

receiver.

Connect the equipment into an outlet on a circuit dierent

from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician

for help.

This device complies with Part 15 of the FCC Rules. Operation

is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) This device must accept any interference received,

including interference that may cause undesired operation.

Caution!

Any changes or modiﬁcations not expressly approved by

the party responsible for compliance could void the user’s

authority to operate the equipment.

in any form, even in part, or duplicated or processed using

electronic, mechanical or chemical process without the

written permission of the publisher.

This booklet may contain errors or misprints. The information

it contains is regularly checked and corrections are included

in subsequent editions. We disclaim any responsibility for

any technical error or printing error, or their consequences.

All trademarks and patents are recognized.

Battery Replacement Instructions

When batteries of dierent brand or type are used

together, or new and old batteries are used together,

some batteries may be over-discharged due to a

dierence of voltage or capacity. This can result

in venting, leakage, and rupture and may cause

personal injury.

•Always purchase the correct size and grade of

battery most suitable for the intended use.

•Always replace the whole set of batteries at one

time, taking care not to mix old and new ones, or

batteries of dierent types.

•Clean the battery contacts and also those of the

device prior to battery installation.

•Ensure the batteries are installed correctly with

regard to polarity (+ and -).

•Remove batteries from product during periods of

non-use. Battery leakage can cause corrosion and

damage to this product.

•Remove used batteries promptly.

•For recycling and disposal of batteries, and

to protect the environment, please check the

internet or your local phone directory for local

recycling centers and/or follow local government

regulations.

CARE AND MAINTENANCE FCC STATEMENT

CALIFORNIA RESIDENTS

This product can expose you to chemicals including

acrylonitrile, butadiene, and styrene, which are known to the

State of California to cause cancer and birth defects or other

reproductive harm.

For more information, go to: www.P65Warnings.ca.gov

CA WARNING:

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